Professor Hannah Kuper is the Director of the International Centre for Evidence in Disability, a research group at the London School of Hygiene & Tropical Medicine. Her main research interest is disability in low- and middle-income countries, with a particular focus on access to healthcare for people with disabilities. She is committed to conducting research which will help improve the practice of government and NGO agencies in providing effective services for people with disabilities and their families. Hannah is one of the co-authors of the Missing Billion Report.